APA استشهاد

Algeo, J., & Pyles, T. (2010). the origins and development of the english language (6.). Cengage Learning.

استشهاد بنمط شيكاغو

Algeo, John, و Thomas Pyles. The Origins and Development of the English Language. 6. Andover: Cengage Learning, 2010.

MLA استشهاد

Algeo, John, و Thomas Pyles. The Origins and Development of the English Language. 6. Cengage Learning, 2010.